Please fill out the following fields to login:
beginWidget('yii\widgets\ActiveForm'); ?> field($model, 'username')->textInput(); ?> field($model, 'password')->checkboxAlt(); ?> field($model, 'username'); echo $field->begin() . "\n" . $field->label() . "\n" . Html::activeTextInput($model, 'username') . "\n" . $field->error() . "\n" . $field->end(); ?> endWidget(); ?>